Biology, 12.10.2019 20:30 teagan1716
Why does ice stay at the top of oceans instead of sinking to the bottom? ice is denser than liquid water because the molecules in ice are closer together. ice is less dense than liquid water because the molecules in ice are closer together. ice is denser than liquid water because the molecules in ice are farther apart. ice is less dense than liquid water because the molecules in ice are farther apart.
Answers: 2
Biology, 21.06.2019 15:00, paolaz80045
Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons
Answers: 1
Biology, 22.06.2019 02:40, maisieisdabomb23
How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.
Answers: 1
Biology, 22.06.2019 09:40, kenldykido2300
Me brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula.5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects.8. describe the planets’ orbits around the sun.9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets.13. what causes the seasons?
Answers: 1
Why does ice stay at the top of oceans instead of sinking to the bottom? ice is denser than liquid...
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